Filter aerator



FIG. 1 is a top front perspective view;

FIG. 2 is a bottom front perspective view;

FIG. 3 is a front elevation view;

FIG. 4 is a rear elevation view;

FIG. 5 is a left side elevation view; and,

FIG. 6 is a right side elevation view. 

CLAIM The ornamental design for a filter aerator, as shown and described. 